#include <iostream> #include <cstring> using namespace std; int main() { char *a = new char[35]; char *b = new char[35]; char *c = new char[35]; cin >> a; strcpy(b, a); strcpy(c, a); for (int i = 0; i < strlen(b); i++) { if (b[i] >= 'A' && b[i] <= 'Z') { b[i] = ' '; } } for (int i = 0; i < strlen(c); i++) { if (c[i] >= 'a' && c[i] <= 'z') { c[i] = ' '; } } cout << a << endl << b << endl << c << endl; delete [] a; delete [] b; delete [] c; return 0; }